head to head
Killzone: Mercenary asks more than Super Mario Odyssey, and the gap is reads.

Execution · Pure Mechanics
Portable FPS gunfights resting on aim with a loadout-economy wrapper.

Execution · Pure Mechanics
A 3D platformer whose joy lives in tight movement and capture-driven traversal.
Killzone: Mercenary leans Execution (Pure Mechanics); Super Mario Odyssey leans Execution (Pure Mechanics).
Super Mario Odyssey leans a little harder on execution, though the gap is small.
Killzone: Mercenary
Handheld aim and movement still decide every firefight
Super Mario Odyssey
Precise platforming and capture-move tech ceiling.
Killzone: Mercenary leans clearly harder on reads.
Killzone: Mercenary
Multiplayer rewards reading enemy rotations and habits
Super Mario Odyssey
No adaptive opponents whatsoever.
Killzone: Mercenary leans a little harder on variance, though the gap is small.
Killzone: Mercenary
Spawns and encounters add modest unpredictability
Super Mario Odyssey
Almost no randomness in level design.
Super Mario Odyssey leans a little harder on optimization, though the gap is small.
Killzone: Mercenary
Loadout economy and contract play tune the earnings loop
Super Mario Odyssey
Moon routes and movement tech learnable.
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.